Beetle L4-1.9L DSL Turbo (ALH) (1998)
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Disconnect connector (arrow) from Transmission Control Module (TCM).
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Connect V.A.G 1598/18 Adapter - 68-pin to wiring harness of Transmission Control Module (TCM) -1- and engage the connector -2-.
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Check CAN-Bus wires with terminal resistances in ECM and ABS control module.
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To do this, measure resistance between test box sockets 3 +25:
Specified value: 55...75 ohms
If resistance value is not in specified range:
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Continue test according to the following table: